Biplane
From Tardis Wiki, the free Doctor Who reference
A biplane was a type of aircraft with two wings. During the Thousand Year War, the Thals used biplanes fitted with energy weapons to perform bombing runs on Kaled soldiers. (TV: The Magicians's Apprentice)
The Eleventh Doctor claimed to be late for a biplane lesson in 1911. (TV: The Impossible Astronaut) After a date with River Song, he asked her to tell Marilyn to take a biplane. (HOMEVID: Good Night)
During World War I, biplanes were used by the British. (COMIC: The Amateur)